/* ================================
   AD Lab Portfolio — style.css
   ================================ */

/* === RESET & ROOT === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green: #00ff88;
  --green-dim: #00c96a;
  --green-faint: rgba(0,255,136,0.06);
  --green-glow: rgba(0,255,136,0.22);
  --bg: #060a07;
  --surface: #0b110d;
  --border: rgba(0,255,136,0.16);
  --border-bright: rgba(0,255,136,0.55);
  --text: #b0c8b4;
  --text-dim: #4e6654;
  --mono: 'Share Tech Mono', monospace;
  --display: 'Syne', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  min-height: 100vh;
  overflow-x: hidden;
  cursor: crosshair;
}

/* Grid texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,255,136,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,136,0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}

/* Scanline overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.07) 2px, rgba(0,0,0,0.07) 4px
  );
  pointer-events: none;
  z-index: 1;
}

/* === NAVBAR === */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2.5rem;
  background: rgba(6,10,7,0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--green);
  letter-spacing: 0.16em;
}
.nav-logo span { color: var(--text-dim); }

nav ul { list-style: none; display: flex; gap: 2rem; }
nav ul a {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.2s;
}
nav ul a:hover { color: var(--green); }

/* === HERO === */
.hero {
  position: relative;
  z-index: 2;
  padding: 155px 2.5rem 75px;
  max-width: 920px;
  margin: 0 auto;
}

.hero-tag {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--green-dim);
  margin-bottom: 1.2rem;
  text-transform: uppercase;
}
.hero-tag::before { content: '> '; }

.hero h1 {
  font-family: var(--display);
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  font-weight: 800;
  line-height: 1.04;
  color: #e4f0e7;
  letter-spacing: -0.02em;
  margin-bottom: 1.1rem;
}
.hero h1 .accent { color: var(--green); }

.cursor {
  display: inline-block;
  width: 3px;
  height: 0.85em;
  background: var(--green);
  margin-left: 5px;
  vertical-align: middle;
  animation: blink 1.1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-sub {
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  max-width: 500px;
  line-height: 1.9;
  margin-bottom: 2.2rem;
}

.hero-stats { display: flex; gap: 2.8rem; margin-top: 2rem; }

.stat-num {
  font-family: var(--display);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--green);
  line-height: 1;
}
.stat-label {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-top: 3px;
}

/* === MARQUEE === */
.marquee-wrap {
  position: relative;
  z-index: 2;
  overflow: hidden;
  background: rgba(0,255,136,0.04);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 11px 0;
  margin-bottom: 80px;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: scroll-left 30s linear infinite;
}
.marquee-wrap:hover .marquee-track { animation-play-state: paused; }

.marquee-track span {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--green-dim);
  white-space: nowrap;
  padding: 0 1.8rem;
  text-transform: uppercase;
}
.marquee-track span::before { content: '[ '; color: var(--text-dim); }
.marquee-track span::after  { content: ' ]'; color: var(--text-dim); }

.marquee-dot { color: var(--text-dim) !important; padding: 0 0.4rem !important; letter-spacing: 0 !important; }
.marquee-dot::before, .marquee-dot::after { content: none !important; }

@keyframes scroll-left {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* === SECTIONS === */
.section-wrap {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2.5rem 90px;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.8rem;
}
.section-header h2 {
  font-family: var(--display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  white-space: nowrap;
}
.section-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* === CARD GRID === */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.4rem;
}

/* === CARD === */
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.5rem;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  cursor: pointer;
  overflow: visible;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--green-faint);
  opacity: 0;
  transition: opacity 0.25s;
  pointer-events: none;
}

.card::after {
  content: '';
  position: absolute;
  top: -1px; right: -1px;
  width: 14px; height: 14px;
  border-top: 2px solid var(--green);
  border-right: 2px solid var(--green);
  opacity: 0;
  transition: opacity 0.25s;
}

.card:hover {
  transform: translateY(-5px) scale(1.012);
  border-color: var(--border-bright);
  box-shadow: 0 0 28px var(--green-glow), 0 0 1px var(--green);
  z-index: 10;
}
.card:hover::before { opacity: 1; }
.card:hover::after  { opacity: 1; }

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.1rem;
}

.exp-badge {
  font-size: 0.63rem;
  letter-spacing: 0.18em;
  color: var(--green);
  background: rgba(0,255,136,0.07);
  border: 1px solid rgba(0,255,136,0.28);
  padding: 3px 9px;
}

.status-badge {
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  padding: 3px 8px;
  text-transform: uppercase;
}
.status-badge.completed { color: var(--green); border: 1px solid rgba(0,255,136,0.28); }
.status-badge.progress  { color: #ffcc44; border: 1px solid rgba(255,204,68,0.28); }

.card-title {
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 700;
  color: #ddeee0;
  margin-bottom: 0.65rem;
  line-height: 1.3;
}

.card-desc {
  font-size: 0.7rem;
  color: var(--text-dim);
  line-height: 1.85;
  letter-spacing: 0.04em;
  margin-bottom: 1.3rem;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  padding-top: 0.9rem;
}

.view-btn {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--green);
  text-decoration: none;
  text-transform: uppercase;
  transition: letter-spacing 0.2s;
}
.view-btn::before { content: '> '; }
.card:hover .view-btn { letter-spacing: 0.22em; }

.card-num {
  font-family: var(--display);
  font-size: 1.7rem;
  font-weight: 800;
  color: rgba(0,255,136,0.06);
  line-height: 1;
}

/* === TOOLTIP === */
.tooltip {
  position: absolute;
  bottom: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%);
  width: 230px;
  background: #050b07;
  border: 1px solid var(--border-bright);
  padding: 0.9rem 1rem;
  z-index: 300;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.22s ease;
  box-shadow: 0 0 22px rgba(0,255,136,0.18);
}
.card:hover .tooltip { opacity: 1; }

.tooltip::after {
  content: '';
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--border-bright);
}

.tooltip-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  margin-bottom: 5px;
  gap: 8px;
}
.tooltip-row:last-child { margin-bottom: 0; }
.tooltip-key { color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.14em; flex-shrink: 0; }
.tooltip-val { color: var(--green); text-align: right; }
.tooltip-divider { height: 1px; background: var(--border); margin: 7px 0; }

/* === PDF BUTTON === */
.pdf-btn {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  background: none;
  border: 1px solid var(--border);
  padding: 3px 9px;
  cursor: pointer;
  text-transform: uppercase;
  transition: border-color 0.2s, color 0.2s;
  margin-top: 0.5rem;
  display: inline-block;
}
.pdf-btn:hover { border-color: var(--green-dim); color: var(--green-dim); }
.pdf-btn::before { content: '⬡ '; font-size: 0.55rem; }

/* === PDF MODAL === */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.88);
  z-index: 500;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.modal-overlay.open { display: flex; }

.modal {
  background: #080e0a;
  border: 1px solid var(--border-bright);
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 60px rgba(0,255,136,0.12);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--green);
  text-transform: uppercase;
}

.modal-actions { display: flex; align-items: center; gap: 1rem; }

.modal-open-btn {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--green-dim);
  text-decoration: none;
  text-transform: uppercase;
  border: 1px solid var(--border);
  padding: 4px 10px;
  transition: border-color 0.2s, color 0.2s;
}
.modal-open-btn:hover { border-color: var(--green); color: var(--green); }
.modal-open-btn::before { content: '↗ '; }

.modal-close {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  padding: 4px 10px;
  cursor: pointer;
  text-transform: uppercase;
  transition: border-color 0.2s, color 0.2s;
}
.modal-close:hover { border-color: rgba(255,80,80,0.5); color: #ff5555; }

.modal-body {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.modal-no-pdf {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 1.2rem;
  padding: 3rem;
}
.modal-no-pdf p {
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-align: center;
  line-height: 1.8;
}
.modal-no-pdf p::before { content: '// '; color: var(--green); }

.modal-drive-btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--green);
  text-decoration: none;
  border: 1px solid var(--border-bright);
  padding: 8px 20px;
  text-transform: uppercase;
  transition: background 0.2s, box-shadow 0.2s;
}
.modal-drive-btn:hover {
  background: rgba(0,255,136,0.07);
  box-shadow: 0 0 14px rgba(0,255,136,0.15);
}
.modal-drive-btn::before { content: '▶ '; }

.modal-iframe-wrap { flex: 1; min-height: 0; }
.modal-iframe-wrap iframe { width: 100%; height: 100%; border: none; min-height: 520px; }

/* === ABOUT === */
.about-box {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.8rem;
  max-width: 580px;
}
.about-box p {
  font-size: 0.76rem;
  line-height: 1.95;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}
.about-box p::before { content: '$ '; color: var(--green); }

/* === FOOTER === */
.footer-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  opacity: 0.25;
  margin-bottom: 1.5rem;
}

footer {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2.5rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-left { font-size: 0.68rem; color: var(--text-dim); letter-spacing: 0.12em; }
.footer-left strong { color: var(--green); }
.footer-right { font-size: 0.66rem; color: var(--text-dim); letter-spacing: 0.1em; }